Dev tools · alternatives · 2026

24 alternatives to PDFb2

14 PDF tools that never see your files. 100% private.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   ToolPDFs▲25

   57 private document tools that run in your browser

   Aug 2026 · toolpdfs.com · its alternatives →

2. 2
   PDF Tools by Renderlog▲3

   Free PDF tools that never upload your file

   Apr 2026 · its alternatives →

3. 3
   PDFMergely – In-browser PDF tools that never upload your files▲18

   56 free PDF tools that run in your browser: merge, convert, compress, sign, OCR, plus on-device AI. Files never upload, a live meter proves it. Works offline.

   Jun 2026 · pdfmergely.com · its alternatives →

4. 4
   PDF Tools▲14

   Free browser-based PDF toolkit — no uploads, no sign-up

   2025 · pdf-vert.com · its alternatives →

5. 5
   PDFDesk — Free Online PDF Tools▲1

   Free PDF tools that never upload your files

   May 2026 · pdfdesk.online · its alternatives →

6. 6
   FormatDog▲8

   PDF, image, and Office tools — nothing ever uploaded

   Jul 2026 · formatdog.com · its alternatives →

7. 7
   PDF Engineer Pro▲1

   Every file stays yours.

   Aug 2026 · chromewebstore.google.com · its alternatives →

8. 8
   PDFDeal▲3

   Every PDF tool you'll ever need, in one browser tab

   Jul 2026 · its alternatives →

9. 9
   GuardPDF▲11

   Privacy-first pdf tools – 100% local processing

   Oct 2025 · guardpdf.com · its alternatives →

10. 10
    pdfnoupload▲2

    Private PDF tools that never upload your files

    Jul 2026 · pdfnoupload.com · its alternatives →

11. 11
    ConvertKr▲2

    Free PDF & image tools that never upload your files

    Apr 2026 · convertkr.com · its alternatives →

12. 12
    PDFProHub – Free Online Tools▲8

    All-in-one tools for PDF, SEO, image, text & more

    2025 · pdfprohub.com · its alternatives →

13. 13
    File Conversion Toolkit PDF Converter▲5

    Free online pdf, word & excel tools

    Dec 2025 · pdfconverterpro2.com · its alternatives →

14. 14
    Private Tools by CodeGrain▲6

    Convert, sign, redact, compress and clean PDFs and images directly in your browser. No upload, no account. Plus text, data, business and developer utilities.

    Jul 2026 · private-tools.codegrain.dev · its alternatives →

15. 15
    SwiftPDFLab▲7

    Privacy-first PDF tools that work entirely in your browser

    Jan 2026 · swiftpdflab.com · its alternatives →

16. 16
    PDFQuokka▲4

    Free PDF tools that run 100% in your browser

    Jul 2026 · pdfquokka.com · its alternatives →

17. 17
    PDFTasker▲2

    PDF tools that never upload your files

    Jun 2026 · pdftasker.app · its alternatives →

18. 18
    FreeTools▲2

    Merge, sign & compress files — nothing ever uploaded

    Aug 2026 · dcordovi.github.io · its alternatives →

19. 19
    PDFtools4u▲2

    Private, client-side PDF & image tools with zero uploads

    Aug 2026 · pdftools4u.in · its alternatives →

20. 20
    FileTools▲3

    Convert, compress and edit files — free, instant, no signup

    Jun 2026 · fastfiletool.com · its alternatives →

21. 21
    PDFStudio Tools▲2

    Fast, free, privacy-focused PDF tools — all in your browser.

    Nov 2025 · pdfstudio-tools.com · its alternatives →

22. 22
    pdfslash▲6

    Edit PDF in your browser- your files never leave your device

    Jul 2026 · pdfslash.com · its alternatives →

23. 23
    StackTools▲1

    Private PDF and image tools that never leave your browser

    Aug 2026 · stacktools.studio · its alternatives →

24. 24
    PDFforBiz▲2

    Free PDF tools built for small business paperwork

    Jul 2026 · pdfforbiz.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →